write_basic_package_version_file: remove variable dereferences in templates

Fixes some minor whitespace issues in the if()s.

Modules/BasicConfigVersion-AnyNewerVersion.cmake.in

@@ -9,22 +9,22 @@
 
 set(PACKAGE_VERSION "@CVF_VERSION@")
 
-if("${PACKAGE_VERSION}" VERSION_LESS "${PACKAGE_FIND_VERSION}" )
+if(PACKAGE_VERSION VERSION_LESS PACKAGE_FIND_VERSION)
   set(PACKAGE_VERSION_COMPATIBLE FALSE)
 else()
   set(PACKAGE_VERSION_COMPATIBLE TRUE)
-  if( "${PACKAGE_FIND_VERSION}" STREQUAL "${PACKAGE_VERSION}")
+  if(PACKAGE_FIND_VERSION STREQUAL PACKAGE_VERSION)
     set(PACKAGE_VERSION_EXACT TRUE)
   endif()
 endif()
 
 # if the installed or the using project don't have CMAKE_SIZEOF_VOID_P set, ignore it:
-if("${CMAKE_SIZEOF_VOID_P}"  STREQUAL ""  OR "@CMAKE_SIZEOF_VOID_P@" STREQUAL "")
+if("${CMAKE_SIZEOF_VOID_P}" STREQUAL "" OR "@CMAKE_SIZEOF_VOID_P@" STREQUAL "")
    return()
 endif()
 
 # check that the installed version has the same 32/64bit-ness as the one which is currently searching:
-if(NOT "${CMAKE_SIZEOF_VOID_P}"  STREQUAL  "@CMAKE_SIZEOF_VOID_P@")
+if(NOT CMAKE_SIZEOF_VOID_P STREQUAL "@CMAKE_SIZEOF_VOID_P@")
    math(EXPR installedBits "@CMAKE_SIZEOF_VOID_P@ * 8")
    set(PACKAGE_VERSION "${PACKAGE_VERSION} (${installedBits}bit)")
    set(PACKAGE_VERSION_UNSUITABLE TRUE)

Modules/BasicConfigVersion-ExactVersion.cmake.in

@@ -17,30 +17,30 @@ else()
   set(CVF_VERSION_NO_TWEAK "@CVF_VERSION@")
 endif()
 
-if("${PACKAGE_FIND_VERSION}" MATCHES "^([0-9]+\\.[0-9]+\\.[0-9]+)\\.") # strip the tweak version
+if(PACKAGE_FIND_VERSION MATCHES "^([0-9]+\\.[0-9]+\\.[0-9]+)\\.") # strip the tweak version
   set(REQUESTED_VERSION_NO_TWEAK "${CMAKE_MATCH_1}")
 else()
   set(REQUESTED_VERSION_NO_TWEAK "${PACKAGE_FIND_VERSION}")
 endif()
 
-if("${REQUESTED_VERSION_NO_TWEAK}" STREQUAL "${CVF_VERSION_NO_TWEAK}")
+if(REQUESTED_VERSION_NO_TWEAK STREQUAL CVF_VERSION_NO_TWEAK)
   set(PACKAGE_VERSION_COMPATIBLE TRUE)
 else()
   set(PACKAGE_VERSION_COMPATIBLE FALSE)
 endif()
 
-if( "${PACKAGE_FIND_VERSION}" STREQUAL "${PACKAGE_VERSION}")
+if(PACKAGE_FIND_VERSION STREQUAL PACKAGE_VERSION)
   set(PACKAGE_VERSION_EXACT TRUE)
 endif()
 
 
 # if the installed or the using project don't have CMAKE_SIZEOF_VOID_P set, ignore it:
-if("${CMAKE_SIZEOF_VOID_P}"  STREQUAL ""  OR "@CMAKE_SIZEOF_VOID_P@" STREQUAL "")
+if("${CMAKE_SIZEOF_VOID_P}" STREQUAL "" OR "@CMAKE_SIZEOF_VOID_P@" STREQUAL "")
    return()
 endif()
 
 # check that the installed version has the same 32/64bit-ness as the one which is currently searching:
-if(NOT "${CMAKE_SIZEOF_VOID_P}" STREQUAL "@CMAKE_SIZEOF_VOID_P@")
+if(NOT CMAKE_SIZEOF_VOID_P STREQUAL "@CMAKE_SIZEOF_VOID_P@")
   math(EXPR installedBits "@CMAKE_SIZEOF_VOID_P@ * 8")
   set(PACKAGE_VERSION "${PACKAGE_VERSION} (${installedBits}bit)")
   set(PACKAGE_VERSION_UNSUITABLE TRUE)

Modules/BasicConfigVersion-SameMajorVersion.cmake.in

@@ -11,7 +11,7 @@
 
 set(PACKAGE_VERSION "@CVF_VERSION@")
 
-if("${PACKAGE_VERSION}" VERSION_LESS "${PACKAGE_FIND_VERSION}" )
+if(PACKAGE_VERSION VERSION_LESS PACKAGE_FIND_VERSION)
   set(PACKAGE_VERSION_COMPATIBLE FALSE)
 else()
 
@@ -21,25 +21,25 @@ else()
     set(CVF_VERSION_MAJOR "@CVF_VERSION@")
   endif()
 
-  if("${PACKAGE_FIND_VERSION_MAJOR}" STREQUAL "${CVF_VERSION_MAJOR}")
+  if(PACKAGE_FIND_VERSION_MAJOR STREQUAL CVF_VERSION_MAJOR)
     set(PACKAGE_VERSION_COMPATIBLE TRUE)
   else()
     set(PACKAGE_VERSION_COMPATIBLE FALSE)
   endif()
 
-  if( "${PACKAGE_FIND_VERSION}" STREQUAL "${PACKAGE_VERSION}")
+  if(PACKAGE_FIND_VERSION STREQUAL PACKAGE_VERSION)
       set(PACKAGE_VERSION_EXACT TRUE)
   endif()
 endif()
 
 
 # if the installed or the using project don't have CMAKE_SIZEOF_VOID_P set, ignore it:
-if("${CMAKE_SIZEOF_VOID_P}"  STREQUAL ""  OR "@CMAKE_SIZEOF_VOID_P@" STREQUAL "")
+if("${CMAKE_SIZEOF_VOID_P}" STREQUAL "" OR "@CMAKE_SIZEOF_VOID_P@" STREQUAL "")
    return()
 endif()
 
 # check that the installed version has the same 32/64bit-ness as the one which is currently searching:
-if(NOT "${CMAKE_SIZEOF_VOID_P}" STREQUAL "@CMAKE_SIZEOF_VOID_P@")
+if(NOT CMAKE_SIZEOF_VOID_P STREQUAL "@CMAKE_SIZEOF_VOID_P@")
   math(EXPR installedBits "@CMAKE_SIZEOF_VOID_P@ * 8")
   set(PACKAGE_VERSION "${PACKAGE_VERSION} (${installedBits}bit)")
   set(PACKAGE_VERSION_UNSUITABLE TRUE)